What should engineers review before using WMR10D431KH3B3.5W?

Check that the continuous voltage remains within 275 VAC rms or 350 VDC, then verify the expected surge current, maximum clamping voltage of 710 V, energy requirement, spacing, fuse coordination, and thermal conditions.

What is the pinout of WMR10D431KH3B3.5W?

Use the WMR10D431KH3B3.5W datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about WMR10D431KH3B3.5W pinout to locate pins, power rails, and interface signals before layout.

WMR10D431KH3B3.5W Datasheet, Specs, Alternatives & ECAD | WMEC(万明)

AI summary

WMR10D431KH3B3.5W is a 430 V zinc-oxide MOV varistor in a 10D radial through-hole package for transient and surge protection.

Best for

AC or DC input transient suppression
Industrial and consumer power protection

Avoid if

The continuous voltage exceeds 275 VAC rms or 350 VDC
The circuit cannot tolerate a 710 V maximum clamping voltage

Check before use

Surge waveform and repetition rate
Fuse or thermal protection coordination
7.5 mm lead pitch and 12.5 mm disc size

Key specifications

Varistor voltage: 430 V at 1 mA (387-473 V)
Maximum operating voltage: 275 VAC rms / 350 VDC
Maximum clamping voltage: 710 V at 3.5 kA, 8/20 us
Package: 10D radial through-hole, 7.5 mm pitch

Application

Power input surge suppressionIndustrial electronics protection

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a WMEC zinc-oxide metal-oxide varistor with a nominal varistor voltage of 430 V at 1 mA. The part uses a two-lead radial through-hole construction.